Stool



FIG. 1 is a front view, slightly in perspective, of a stool embodying my invention.

FIG. 2 is a rear view, slightly in perspective, of the stool of FIG. 1.

FIG. 3 is a right-side view, slightly in perspective, of the stool of FIG. 1.

FIG. 4 is a left-side view, slightly in perspective, of the stool of FIG. 1. 

The ornamental design for a stool, as shown. 